1、 Morphological characteristics
The stem of Houttuynia cordata is flat cylindrical, some slightly twisted, the color of the surface is brownish yellow, there are many longitudinal edges on it, the nodes are obvious, and the height of the whole plant is about 30-50 cm. The leaves are alternate and appear as thin paper, with obvious gland spots on the back. The leaves are oval or broad oval in shape, some are folded and shrunk, the surface color is dark yellow green to dark brown, the lower color is gray green, the petiole is not long, and the length is about 1-3.5 cm. Houttuynia cordata blooms in summer, with spikes at the top. The flowers are relatively small. The petals have four bracts, the color is white, and can also bear a nearly spherical capsule p>
2、 Growth habit
Houttuynia cordata likes to grow in warm places. It prefers humidity and can't stand drought, so it can't lack water. The requirements for soil are not strict, but it grows best in fertile sandy loam and cannot grow in clay p>
3、 Efficacy effect
Houttuynia cordata not only can be eaten, but also has a certain effect. This grass is cold in nature, can clear away heat and detoxify, discharge pus and diuresis, has the effect of antibacterial and antiviral, and can improve people's immunity p>
4、 Breeding method
There are many common methods of sowing and cutting, but the germination rate of Houttuynia cordata is not high p>